|Publication number||US5812293 A|
|Application number||US 08/775,746|
|Publication date||22 Sep 1998|
|Filing date||31 Dec 1996|
|Priority date||31 Dec 1996|
|Also published as||DE29700355U1|
|Publication number||08775746, 775746, US 5812293 A, US 5812293A, US-A-5812293, US5812293 A, US5812293A|
|Original Assignee||Yen; Kerl|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (2), Referenced by (27), Classifications (26), Legal Events (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
The present invention relates to an A/V signal transmission remote control system which uses UHF technology to match with CPU, memory, A/V receiver and OSD processing loop, permitting the output A/V program of an A/V output equipment to be sent to a remote display.
Conventional commercially available A/V senders commonly use 900 Mhz or 2.4 Ghz to modulate the A/V signal of a VCR (videocassette recorder) or satellite receiver, and then to send the modulated signal to an A/V receiver, permitting the modulated signal to be demodulated by the A/V receiver and then sent by it to a monitor, or a TV having A/V terminals. A system of this design permits the user to send a program from for example a VCR in the living room to a monitor in the kitchen or bedroom. However, when to control or regulate the functions of the VCR (for example, when the user wishes to reverse the tape, to change the mode of play to the mode of record, etc.), the user shall have to go to the VCR and then to manually operate the control buttons of the VCR.
It is the main object of the present invention to provide an A/V signal transmission remote control system which allows the user to remote-control an A/V output equipment when enjoy a program sent from the A/V output equipment through an A/V sender. According to the present invention, the A/V sender of the A/V signal transmission remote control system uses a CPU to match with a peripheral circuit unit (memory, OSD processing loop, etc.) to analyze and decode an A/V output equipment control signal and then to store it in a memory; a UHF (418 Mhz) signal from the system remote controller is sent to the A/V sender and demodulated into a low frequency control signal for controlling the CPU to fetch the data from the memory, permitting the fetched data to be sent through an infrared transmitter to the VCR to control its operation. When the CPU reads the remote control signal, the remote control signal is simultaneously sent to the A/V transmitting loop through an OSD processing loop, so that the user can watch the program of the A/V output equipment through a monitor or TV at a distance far away from the A/V output equipment, and simultaneously monitor the control of the system remote controller.
FIG. 1 shows the system arrangement of the present invention; and
FIG. 2 is a circuit block diagram of an A/V sender according to the present invention.
Referring to FIGS. 1 and 2, an A/V (audio/video) signal transmission remote control system in accordance with the present invention, is generally comprised of an A/V output equipment (for example a videocassette recorder or a satellite receiver) 1, an infrared transmitter 2, an A/V sender 3, an A/V sender antenna 4, a UHF receiver antenna 5, an infrared remote controller 6, an infrared sensor and receiver loop 7, an A/V receiver antenna 8, an A/V receiver 9, a display for example a monitor or TV 10, and a system remote controller 11.
The A/V sender 3 is comprised of a CPU (central processing unit) 31, an EEPROM (electronically erasable programmable read-only memory) 32, an OSD (On-Screen-Display) processing loop 33, an A/V transmitting loop 34, and a UHF receiver 35. The CPU 31 is connected to the OSD processing loop 33. The OSD processing loop 33 has an input end connected to the video port of the A/V output equipment 1 through a J3 terminal, and an output end connected to the A/V transmitting loop 34. The A/V transmitting loop 34 has an input end connected to the audio port of the A/V output equipment 1 by a J1 terminal and a J2 terminal, and an output end connected to the A/V sender antenna 4. The A/V transmitting loop 34 receives audio signal and remote control signal from the ODS processing loop 33, modulates and amplifies received signals, and then sends out the modulated and amplified signals through A/V sender antenna 4. The CPU 3 is connected to the infrared sensor and receiver loop 7 and the EEPROM 32. The infrared sensor and receiver loop 7 receives an infrared signal from the infrared remote controller 6, demodulates the infrared signal into a digital signal, and then sends the digital signal to the CPU 31 for processing, permitting it to be processed by the CPU 31 and then written in the EEPROM 32. The CPU 31 is also connected to the infrared transmitter 2 and the UHF receiver 35. The UHF receiver antenna 5 is connected to the UHF receiver 35. The infrared transmitter 2 is controlled to fetch data from the EEPROM 32, and demodulates the data into an infrared signal for controlling the A/V output equipment 1.
When the user operates the system remote controller 11 (which comprises a UHF modulator of which the frequency is set at 418 MHz) to send a radio or microwave control signal, the control signal is immediately received by the UHF receiver antenna 5 and transmitted by it to the UHF receiver 35 for processing through an amplification and demodulation procedure. The processed signal is then sent by the UHF receiver 35 to the CPU 31. Upon receipt of the signal, the CPU 31 immediately fetches corresponding data from the EEPROM 32, then processes and encodes the data into a signal, and then sends the signal to the infrared transmitter 2, permitting the signal to be modulated into an infrared transmitter signal for controlling the operation of the A/V output equipment 1. At the same time, the CPU 31 sends the data fetched from the EEPROM 32 to the OSD processing loop 33 for processing with the video signal from the A/V output equipment 1. The processed signal is then sent by the OSD processing loop 33 to the A/V transmitting loop 34 for modulation and amplification, and then sent out through the A/V sender antenna 4.
The A/V receiver 9 is connected between the A/V terminals of the display 10 and the A/V receiver antenna 8. When the A/V receiver 9 receives a signal (including audio, video, and control signals) from the A/V receiver antenna 8, the signal is amplified and demodulated, and then the demodulated signal is sent to the display 10. Through the display 10, the user can enjoy the program sent from the A/V output equipment 1, and at the same time monitor the operation of the remote controller.
It is to be understood that the drawings are designed for purposes of illustration only, and are not intended as a definition of the limits and scope of the invention disclosed.
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US5142397 *||8 Jul 1991||25 Aug 1992||Dockery Devan T||System for extending the effective operational range of an infrared remote control system|
|US5613191 *||27 Jul 1995||18 Mar 1997||Bell Atlantic Network Services, Inc.||Customer premise wireless distribution of audio-video, control signals and voice using CDMA|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US5999294 *||13 Mar 1997||7 Dec 1999||Aironet Wireless Communications, Inc.||Detachable antenna with optical port|
|US6396612 *||11 Feb 1998||28 May 2002||Telefonaktiebolaget L M Ericsson||System, method and apparatus for secure transmission of confidential information|
|US6602001||24 May 1999||5 Aug 2003||Matsushita Electric Industrial Co., Ltd.||Remote control system and remote control transmitter for use in the same|
|US6810435 *||29 May 2001||26 Oct 2004||Microchip Technology Incorporated||Programmable identification in a communications controller|
|US6901241 *||15 Jan 1999||31 May 2005||Telefonaktiebolaget L M Ericsson (Publ)||System, method and apparatus for secure transmission of confidential information|
|US7698723||28 Dec 2000||13 Apr 2010||At&T Intellectual Property I, L.P.||System and method for multimedia on demand services|
|US7755506 *||3 Sep 2004||13 Jul 2010||Legrand Home Systems, Inc.||Automation and theater control system|
|US8139942 *||29 Aug 2008||20 Mar 2012||Sony Corporation||Remote controlling system, electronic device, and controlling method|
|US8233803||30 Sep 2011||31 Jul 2012||Transmitive, LLC||Versatile remote control device and system|
|US8328294 *||14 May 2009||11 Dec 2012||Altamotive, Llc||Electronic control system for a spinning wheel cover|
|US8601519||28 Dec 2000||3 Dec 2013||At&T Intellectual Property I, L.P.||Digital residential entertainment system|
|US8677423||6 Dec 2004||18 Mar 2014||At&T Intellectual Property I, L. P.||Digital residential entertainment system|
|US9055197 *||25 Sep 2011||9 Jun 2015||Tivo Inc.||Intelligent peer-to-peer system and method for collaborative suggestions and propagation of media|
|US20030016419 *||29 May 2001||23 Jan 2003||Mark Palmer||Programmable identification in a communications controller|
|US20040181622 *||11 Mar 2003||16 Sep 2004||Chris Kiser||USB Infrared receiver/Transmitter device|
|US20040261112 *||28 Dec 2000||23 Dec 2004||Hicks John Alson||System and method for multimedia on demand services|
|US20050086694 *||6 Dec 2004||21 Apr 2005||John Hicks||Digital residential entertainment system|
|US20060075021 *||6 Dec 2005||6 Apr 2006||Hiroshi Sugiyama||Information exchange apparatus and information exchanging method|
|US20080022324 *||19 Jul 2006||24 Jan 2008||Montage Technology Group, Ltd||Personal Area Television Broadcasting|
|US20090060515 *||29 Aug 2008||5 Mar 2009||Sony Corporation||Remote controlling system, electronic device, and controlling method|
|US20100038956 *||14 May 2009||18 Feb 2010||Brent Whitfield Byers||Electronic control system for a spinning wheel cover|
|US20120016934 *||25 Sep 2011||19 Jan 2012||Wijnand Van Stam||Intelligent peer-to-peer system and method for collaborative suggestions and propagation of media|
|US20150256897 *||19 May 2015||10 Sep 2015||Tivo Inc.||Intelligent peer-to-peer system and method for collaborative suggestions and propagation of media|
|EP1187350A2 *||21 May 2001||13 Mar 2002||Kabushiki Kaisha Toshiba||Information exhange apparatus and information exchanging method|
|EP1187350A3 *||21 May 2001||12 Feb 2003||Kabushiki Kaisha Toshiba||Information exhange apparatus and information exchanging method|
|WO2001047258A1 *||8 Dec 2000||28 Jun 2001||Koninklijke Philips Electronics N.V.||Television receiver remote control system with television audio|
|WO2008010815A1 *||14 Aug 2006||24 Jan 2008||Montage Technology Group, Ltd||Personal area television broadcasting|
|U.S. Classification||398/115, 398/117, 398/130, 348/734, 398/106, 386/E05.07, 455/352, 348/E05.099, 341/176|
|International Classification||H04N5/445, H03J9/02, H04N5/775, H04B1/20, G08C17/00, H04N5/765|
|Cooperative Classification||H04N5/445, G08C2201/40, H04N5/765, G08C17/00, H03J9/02, H04N5/775, H04B1/207, H04B1/202|
|European Classification||H04N5/775, G08C17/00, H03J9/02|
|22 Aug 2000||AS||Assignment|
Owner name: CHUNG-HSIN ELECTRIC & MACHINERY MFG. CORP., TAIWAN
Free format text: LICENSE;ASSIGNOR:YEN, KERL;REEL/FRAME:011077/0963
Effective date: 20000701
|9 Apr 2002||REMI||Maintenance fee reminder mailed|
|28 Jun 2002||SULP||Surcharge for late payment|
|28 Jun 2002||FPAY||Fee payment|
Year of fee payment: 4
|12 Apr 2006||REMI||Maintenance fee reminder mailed|
|22 Sep 2006||LAPS||Lapse for failure to pay maintenance fees|
|21 Nov 2006||FP||Expired due to failure to pay maintenance fee|
Effective date: 20060922